Re: COS with Voice VLAN's

From: Venkataramanaiah.R (vramanaiah@gmail.com)
Date: Thu Nov 24 2005 - 08:14:54 GMT-3


You must use switchport priority extend trust for this case..

But i guess you will need the mls qos trust cos as well to honor it at
switchport.

The first one is to honor the CoS at the phone's PC port, and the
second one for the switchport to honor the CoS set by the phone as
well as the PC.

-Venkat

On 11/24/05, steven richards <ccie_2005@hotmail.com> wrote:
> Just wanted to verfy something. If I wanted to override the COS coming
> from a VOIP phone I can use the switchport priority extend cos value
> command. But if I wanted to keep the COS from the data Vlan I use the mls
> qos trust cos command ?
>
> Thanks in advance
>
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